20162655008

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{74311}}^1$

素因数の和:74521

約数の個数: 48

約数和(自身を含む): 40636774080

約数和(自身を除く): 20474119072

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 139, 244, 278, 488, 556, 976, 1112, 1952, 2224, 4448, 8479, 16958, 33916, 67832, 74311, 135664, 148622, 271328, 297244, 594488, 1188976, 2377952, 4532971, 9065942, 10329229, 18131884, 20658458, 36263768, 41316916, 72527536, 82633832, 145055072, 165267664, 330535328, 630082969, 1260165938, 2520331876, 5040663752, 10081327504, 20162655008]

約数ペア:

[(1, 20162655008), (2, 10081327504), (4, 5040663752), (8, 2520331876), (16, 1260165938), (32, 630082969), (61, 330535328), (122, 165267664), (139, 145055072), (244, 82633832), (278, 72527536), (488, 41316916), (556, 36263768), (976, 20658458), (1112, 18131884), (1952, 10329229), (2224, 9065942), (4448, 4532971), (8479, 2377952), (16958, 1188976), (33916, 594488), (67832, 297244), (74311, 271328), (135664, 148622)]